/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/PBDSpringConstraintsBase.h
[FSolverVec3](API\Runtime\Chaos\Chaos\FSolverVec3) GetDelta ( const [FSolverParticles](API\Runtime\Chaos\Chaos\FSolverParticles) & Particles, const int32 ConstraintIndex, const [FSolverReal](API\Runtime\Chaos\Chaos\FSolverReal) ExpStiffnessValue ) const